CONTRACT PURCHASE ORDER In accordance with the contract between the Contractor and the Texas Comptroller of Public Accounts

         Agency to Invoice    
      TX-RSMS                                        Purchase Order Number  3 0 1 8 9 0
      748 E. MCLEROY BLVD.                                     Requisition  401-0-472
      ATTN: RODNEY FETTEROLF
      SAGINAW            TX 76179                                           10/16/09         1


         Destination if Different  
      TX-RSMS
      748 E. MCLEROY BLVD.
      ATTN: BARBARA GRISSOM
      SAGINAW TX 76179

THE STATE OF TEXAS IS EXEMPT FROM ALL FEDERAL EXCISE TAXES

STATE AND CITY SALES TAX EXEMPTION CERTIFICATE:
The State of Texas claims an exemption from
taxes under Texas Tax Code § 151.309(4),
for purchase of tangible personal property
described in this numbered order, purchased
from contractor and/or shipper listed here,
as this property is being secured for the
exclusive use of the State of Texas.

84947

         Contractor
 VID#: 1-74-276-8918-1  COMP
 AIRGAS-SOUTHWEST INC
 11111 N LAMAR
 ATTN: BILL TINKHAM
 AUSTIN TX 78753

                      **** ENTERED BY KAREN WILSON     ****
              CONTACT AT AGENCY: KAREN WILSON, PHONE: 512/782-5652
              PAYMENT CONTACT: DANIEL POPP, PHONE: 512/782-5420
              VENDOR CONTACT: BILL TINKHAM, PHONE: 512-799-8145

              AGENCY REFERENCE NUMBER: 401-9-629

                   Description                                  Quantity  Unit      Unit    Extended
                                                                                   Price      Amount

      430-22  GASES: 220, TARRANT CO.,  GASES FOR HOSPITAL,
               LABORTORY AND WELDING USE.  FOR ALL QUALIFIED
               ENTITIES WITHIN THE COUNTY NOT OTHERWISE
               IDENTIFIED

     09005-4  ACETYLENE, 360 CU. FT. CYL.                          40000  CUFT       .19     7600.00

     09015-3  ARGON, 336 CU. FT. CYL.                               5000  CUFT       .07      350.00

     09025-2  GAS, MIXED, 75% ARGON, 25% CO2, 380 CU. FT. CYL.      8000  CUFT       .06      480.00

     09035-1  OXYGEN, IND. 251 CU. FT. CYL.                        15000  CUFT       .03      450.00

     09999-8  CYLINDER RENTAL, DAILY RATE                          10950  DAY        .11     1204.50

              DELIVERY IN   5 DAYS.

                                                                   TOTAL THIS ORDER       $10,084.50